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fix: correct Definition 4.3.2 label for distance #594

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teorth merged 1 commit into from
Jul 17, 2026
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fix: correct Definition 4.3.2 label for distance #594

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2 changes: 1 addition & 1 deletion Analysis/Section_4_3.lean
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Expand Up @@ -58,7 +58,7 @@ theorem abs_eq_abs (x: ℚ) : abs x = |x| := by
abbrev dist (x y : ℚ) := |x - y|

/--
Definition 4.2 (Distance).
Definition 4.3.2 (Distance).
We avoid the Mathlib notion of distance here because it is real-valued.
-/
theorem dist_eq (x y: ℚ) : dist x y = |x-y| := rfl
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